Home / 209,601.13-289,322.46-124,716.37

Finding the Fourth Proportional to 209,601.13, 289,322.46 and 124,716.37

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Solution

The fourth proportional to 209,601.13, 289,322.46 and 124,716.37 is: 172,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,601.13 : 289,322.46 = 124,716.37 : x
  2. Step 2: Convert to fraction form
    209,601.13/289,322.46 = 124,716.37/x
  3. Step 3: Cross multiply
    209,601.13x = 289,322.46 × 124,716.37
  4. Step 4: Simplify right side
    209,601.13x = 36,083,246,970.67
  5. Step 5: Solve for x
    x = 36,083,246,970.67/209,601.13
  6. Step 6: Final answer
    x = 172,151.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.